<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>cnn-webshell-detect</title>
</head>
<body>
  <form action="{{ url_for('receive_file') }}" method="post" enctype="multipart/form-data">
    <p><input type="file" name="file"></p>
    <p><input type="submit" value="submit"></p>
  </form>
</body>
</html>